Question

the unit digit of square root of 66564​

Answer 1

Answer:

The unit digit of square root of of 66564 will be either 8 or 2

Step-by-step explanation:

let under root 66564 = ×

66564 = x^2

Now for getting unit digit 4 we can have possibilities as last digit = 2 then 2^2 = 4

or,

when last digit = 8 then 8^2 = 64

hope it helps you

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Answer 2

Step-by-step explanation:

find the number of digit in the square root of the following digit (with actual calculations) 66564